Two sets of students are collecting traffic data at two sections, xx and yy, of a highway 1400 ft apart. Observations at xx show that five vehicles passed that section at intervals of 3, 4, 3, and 5 seconds, respectively. If the speeds of the vehicles were found through radar gun measurements to be 50, 45, 40, 35, and 30 mph respectively,a. Draw a schematic showing the locations of the vehicles 20 seconds after the first vehicle passed xx.b. Determine the time mean speedC.Determine the space mean speedd. Determine the density on the highwaye. Determine the flowRecalculate the space mean speed from Problem 1, using the empirical equation developed by Garber & Sankar: ūt = 0.966ūs + 3.541. Compare this answer to that calculated in Problem 1. Two sets of students are collecting traffic data at two sections, xx and yy, of a highway 1400 ftapart. Observations at xx show that five vehicles passed that section at intervals of 3, 4, 3, and 5seconds, respectively. If the speeds of the vehicles were found through radar gun measurementsto be 50, 45, 40, 35, and 30 mph respectively,a. Draw a schematic showing the locations of the vehicles 20 seconds after the first vehiclepassed xx.b. Determine the time mean speedC.Determine the space mean speedd. Determine the density on the highwaye. Determine the flow2. Recalculate the space mean speed from Problem 1, using the empirical equation developed byGarber & Sankar: ūt = 0.966ūs +3.541. Compare this answer to that calculated in Problem 1.

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Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Two sets of students are collecting traffic data at two sections, xx and yy, of a highway 1400 ft apart. Observations at xx show that five vehicles passed that section at intervals of 3, 4, 3, and 5 seconds, respectively. If the speeds of the vehicles were found through radar gun measurements to be 50, 45, 40, 35, and 30 mph respectively, a. Draw a schematic showing the locations of the vehicles 20 seconds after the first vehicle passed xx. b. Determine the time mean speed C. Determine the space mean speed d. Determine the density on the highway e. Determine the flow Recalculate the space mean speed from Problem 1, using the empirical equation developed by Garber & Sankar: ūt = 0.966ūs + 3.541. Compare this answer to that calculated in Problem 1.

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